2819019

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 4435968

約数和(自身を除く): 1616949

約数列:

[1, 3, 7, 21, 49, 127, 147, 151, 381, 453, 889, 1057, 2667, 3171, 6223, 7399, 18669, 19177, 22197, 57531, 134239, 402717, 939673, 2819019]

約数ペア:

[(1, 2819019), (3, 939673), (7, 402717), (21, 134239), (49, 57531), (127, 22197), (147, 19177), (151, 18669), (381, 7399), (453, 6223), (889, 3171), (1057, 2667)]